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Unified Diff: ash/session_state_delegate.h

Issue 14295008: Add ash SessionStateDelegate (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Rebased. Created 7 years, 8 months ago
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Index: ash/session_state_delegate.h
diff --git a/ash/session_state_delegate.h b/ash/session_state_delegate.h
new file mode 100644
index 0000000000000000000000000000000000000000..f5ee359667597ff975afbecbf3742e90d256a845
--- /dev/null
+++ b/ash/session_state_delegate.h
@@ -0,0 +1,41 @@
+// Copyright (c) 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef ASH_SESSION_STATE_DELEGATE_H_
+#define ASH_SESSION_STATE_DELEGATE_H_
+
+#include "ash/ash_export.h"
+
+namespace ash {
+
+// Delegate for checking and modifying the session state.
+class ASH_EXPORT SessionStateDelegate {
+ public:
+ virtual ~SessionStateDelegate() {};
+
+ // Returns |true| if a session is in progress and there is an active user.
+ virtual bool HasActiveUser() const = 0;
+
+ // Returns |true| if the session has been fully started for the active user.
+ // When a user becomes active, the profile and browser UI are not immediately
+ // available. Only once this method starts returning |true| is the browser
+ // startup complete and both profile and UI are fully available.
+ virtual bool IsActiveUserSessionStarted() const = 0;
+
+ // Returns true if the screen can be locked.
+ virtual bool CanLockScreen() const = 0;
+
+ // Returns true if the screen is currently locked.
+ virtual bool IsScreenLocked() const = 0;
+
+ // Locks the screen. The locking happens asynchronously.
+ virtual void LockScreen() = 0;
+
+ // Unlocks the screen.
+ virtual void UnlockScreen() = 0;
+};
+
+} // namespace ash
+
+#endif // ASH_SESSION_STATE_DELEGATE_H_
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